001/*
002 *  Copyright 2012 Anyware Services
003 *
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *
008 *      http://www.apache.org/licenses/LICENSE-2.0
009 *
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package org.ametys.web.cache.zoneitem;
017
018import java.util.Map;
019
020import org.ametys.core.observation.Event;
021import org.ametys.web.ObservationConstants;
022import org.ametys.web.repository.page.ZoneItem;
023
024/**
025 * Removes a single service from the cache when its parameters have changed.
026 */
027public class InvalidateZoneItemCacheOnServiceModificationObserver extends AbstractZoneItemCacheObserver
028{
029    @Override
030    public boolean supports(Event event)
031    {
032        return event.getId().equals(ObservationConstants.EVENT_SERVICE_MODIFIED);
033    }
034
035    @Override
036    public void observe(Event event, Map<String, Object> transientVars) throws Exception
037    {
038        ZoneItem zoneItem = (ZoneItem) event.getArguments().get(ObservationConstants.ARGS_ZONE_ITEM);
039        String id = zoneItem.getId();
040        String site = zoneItem.getZone().getSitemapElement().getSiteName();
041        
042        // Remove data from cache in all workspaces, as the service change is directly live
043        _zoneItemCache.removeItem(null, site, "SERVICE:" + zoneItem.getServiceId(), id);
044        
045    }
046    
047}